Conveyer apparatus.



P. A. K OEHRING. CONVEYER APPARATUS. APPLICATION FILED OCT. 6. 191A. 1Patented May 22,1917;

, MEETS-sham l'.

P. A. KOEHRING.

CONVEYER APPARATUS.

IAPPLICATIONIJHLED OCT-6,1914. v ,Patented May. 22 1917;

4 SHEEIiS-SHEET 3.

Tiqi. 65-

P. A, -4KoE- R N G.' I CONVEYER'APPARATUS. APPLICATION FILED OCT. s. |914. v r 5'7. I g l Patented May 22,1917.

' 4 SHEETS-SHEET 4- imrrnn sat.

PHILIP A. KOEHBING, OF MILWAUKEE, WISCONSIN, ASSIGNOR T KQEHEING-MACHKHE COIMiE'A-IN'Y, OF MILWAUKEE, .WISCGHSIN, A CORPORATION OF WISCQH313$.

converse arrnna'rns.

Specification of Letters Patent.

' Application filed flctooer 6, 1914. Serial No. 865,335.

To all whom it may concern:

Be it known that I, PnILIP A. Konrnznvo, a citizen of the UnitedStates,- residing at .Milwaukee, in the county of Milwaukee and State ofWisconsin, have. invented certain new and useful Improvements 1nConveyer Apparatus, of which the following is a specification.

In my Letters Patent, reissued September 16, 1913, Number 13,617, isdescribed improved conveyer means in the form of a concrete distributorespecially designed for use in'delivering mixed concrete from a mixertogasuitable point of deposit. The

'machine of the above Letters Patent has been found. of unusualpractical value in bind :economically eifecting a disf materials over asuitable area. jpecial object of my present in-. rovide a conveyormechanism e used in connection with the vention to adapted :to

I "distributing means of the above patent whereby instead of requiringthe manual loading of the concrete mixer as by deposit v will in parthereinafter become apparent ing wheel barrow after wheel barrow in aloading bucket adapted to dump into such mixer, .I am enabled to employmechanical means solely, such as a grab bucket and suitable controllingmechanism, whereby to effect the loading operation above-referred to.The conveyer mechanism of the present invention while especiallyintended for as sociation with concrete mixers may, of course, beemployed in many other 'ways in which conveyersare generally utilized.

Among the objects in view in respect to the particular improvementshereinafter set forth in detailare the effective handling and deliveryof concrete materials by mech anism characterized by ease and simplicityof control; the provision for stability of the supporting part and therelative disposition of parts for insuring economical cooperation.

With these and other objects in view, as

and in part be stated, the invention comprises a framework, a. mixingdrum sustained thereby, a boom movably carried by the framework, :1.load conveying carriage movably mounted on the boom, means for shiftingthe carriage, and means for de livering the load conveyed by thecarriage to the mixing drum. i v

The'invention further comprises a frameworln-a boom pivotallycarrid'thereby and having a trackway, a brace sustaining the free end ofthe boom and pivoted coaxially with the boom, and a load carrier movable.1

along the boom past the brace, the brace comprising a single member atits lower portion and being bifurcatedat its upper portion for allowingthe passage-of the load 1 carrier. e

The invention comprises certain other novel constructions, combinations,and arrangements of parts as will be hereinafter fully described andclaimed.

In the accompanying drawing f Figure 1 is a view in side elevation of anapparatus embodying the features of the present invention, intermediateparts being broken away.

. Fig. 2 is a top plan view thereof, portions of the gearing and loweroperating parts PatentedE iay rn rnnr @FMQE.

engine 6 is sustained by the frame 1 and Y may be of the internalcombustion type or may be a steam engine supplied with steam from boiler7 also sustained by the frame 1. Engine 6 isgeared to drive a main driveshaft 8 which extends substantially I throughout the length of frame 1and is provided with gears 9 meshing with gears 10 formed on theperiphery of drum Appropriate controlling clutch and transmission gearmechanism are adapted to deliver power from shaft 8 to the rear wheels 2for causing the structure to act as a tractor for purposes oftransportation."

Fixed in the framework 3 above drum disapiatform l1; facilitatingaccess'by an operator'to various parts of the apparatus.- A hopper 12 isfixed in the framework 3 in advance of the platform 11 and is formedwith a chute 13 discharging into drum 5. Hoppers 14, 14; are arrangedabove hopper 12 and sustained in the framework, each of the hoppers 14being provided with adischarge chute 15 controlled by a gate 16 res anddisposed to direct the discharge into the hopper 12 the two gates 16being fixed to an actuating shall: 17 for being manually operated.

In the uppermost portion of the framework 3 a boom 18 is journaled andprovided with an extended terminal portion 19 formed with a horizontallyarranged and arcuate rack 20 with which meshes the new sled gear 21carried by shaft 22 journaled in bearings (3' fixed to frame 3. The rearend of shaft 22 carries a bevel gear 23 meshing with a similar gear 24tired to a vcrtically disposed shaft 27 The lower poi tion of shallextends past shaft ls and carries oppositely disposed bevel gears/27 and28 loosely mounted on the shalt and adapted to be connected therewithalter nately by a clutch ineuiheufzfl slidingly mounted on shaft anddisposed to engage cooperating clutch teeth on the contiguous faces ofgears 27 A bevel gear 30 is fixed'to shaft 8 and meal 28, so that whenclutch Ln) engages gear 2% boom 18 will be swung in onedirection, an lwhen the clutch engages gear 27 the boom will be swung in the oppositedirection. Boom '18 consists of a pair of parallel beams fixed togetherat their inner ends by'being bolted to or otherwise connected with anintel-posed block having the rearextension 1.9, and said beams extendforwardly to the outer end of the boom where they are con nected by across beam, preferably a chan nel plate 31. Plate 31 extends laterallybeyond the beams comprising boom 18 and at achot' its ends is by a beam32, the beams extendingparallel to each other and inclined downwardlyand rearwardly to a cross channel plate 33 which fixed to the lower endof the beams at ends. and at its center being fixed to a beam whichextends at the same angle as beams down to a point in axial alinementwith the pivot of boom 18, at which point the beam is pi-votallysustained in the frame so as to swing with the boom,

the said beam 34; and beams 3.? an inclined brace for the boom,

A carriage 35 is provided with flanged wheels the beains'o't boom 18 andis adapted to travel longitudinally of the boom. An ordinary grab bucket36 is com prising ranged to be sustained by, to depend from ms withgears 27.

through which is extended a pin 39 engaging a link' lt); the latterextending upwardly into position for engaging hooks 41 carried byoperating levers 42 pivoted to the body of carriage 35. Springs 43engage the upper portions of the lovers for normally i'naiutaining thehooks in engagement with link 40. The link 4:0 is preferably constructedin the form of a "l' with the head of the T arranged horizontally toengage hooks ll and its body pendent. The upper end portions of leversl! are connected by cross pin 44, which is engaged by a cable l5extending from the cross pin ton 'ardly along the boom 18 to and about apulley 4G journaled at the tree end of the boom 18. Cable 4:5 extendsthence rearwardly along the boom 18 and is passed about a guiding pulley47, about pulley 4:8 and downwardly about a pulley l9 journaled on shaft8, and thence upwardly about a pulley 50 and about a pulley 51 to thecross pin 4-4. Thus the carriage 35 is free to ride along the boom whilethe levers remain in their bucket supporting position the cable 45merely shifting longitudinally to an extent responsive to movements ofthe carriage. It will of course be obvioijis however, that anappropriate pull on cable 45 will swing levers 42' on their pivots andthus move hooks 4-1 out of engagement with link 40, releasing the bucketand allowing it to drop or open according to the paying out of thebucket supporting cable hereinafter described. The pull on cable 45 maybe effected in any of various ways, as manually, or, when the carriageis moving inwardly, by the use of a brake applied to pulley 49 forstopping the longitudinal travel of cable as while the carriagecontinues to move which will give the effect of a pull on the cablesince the pivot of levers 4-2 is moved relative to the point ofengagement ll of cable 45. v

The controlling pulleys of the bucket 36 have a cable 52 lacedtherethrough, one end of the cable being connected to a fixed part ofcarriage 35 and the other portion of thecable beyond the pulleys of thebucket extending past guiding pulleys 53, 54: and F5 and thencedownwardly to winding drum 56 mounted on shaft 8 and adapted to bedriven thereby through a clutch 57. brake preferably of the band type,ena portion of the drum 56 for controlling rotation thereof. A cable 59is fixed to carriage and extends outwardly alon the boom 18 to and aboutan idler pulley 60, and extends thei'ice rearwardly along the boom toand about guiding pulleys 61 and 2 and thence downwardly to an operatingdrum 63. Drum 63 is carried by shaft 8 and is adapted to receive powertherefrom through clutch 64:.

Pulleys 46 and 60 are journaled on a shaft upstanding from the outer endpor- A friction v tion of boom 18 and common to the pulleys, the pulleysbeing. mounted to rotate about a vertical axis Pulleys 48, 50, 55 and 62to the frame 3, the pulleys being mounted to rotate about horizontalaxes and each lo-f ticular element:

outed relativeqto the below to which the respective engagingcableextends.

.;-the proper relation'to the boom 18. guy

' for delivering the mixed concrete either to. the point of consumptionor to a conveyor;

the parts being 1n the posistrip 66 is fixed to the upper arm of bracketand extends on an incline rearwardly and is fixed to frame? for aiding'in resisting stresses longitudinal of the boom 18.

A discharge chute 67 extends rearwardly from within drum 5 to a deliverychute 68 In operation, tion indicated in open, drum 63 and thus exertinga pull on the carriage 35 which causes the carriage to be drawnoutwardly along boom 8, this Fig. 1 and clutch 57 being movement.continuing until the carriage either arrives at the outer end of theboom or above the point of deposit of the material to be delivered tohopper 14:. Upon reaching this point the cable 45 is given a pull forswinging the levers/l2 to the bucket releasing position, the carriage atthe same time being stopped by opening clutch 64. Brake band 58 is ofcourse released during the outward travel of. carriage 35 and being leftopen, cable 52 continues to feed out wardly as the bucket 35 descendsunder its own weight. When the bucket has reached the supply of materialand the scoops have engaged a portion thereof sufficient forconstituting a load, the clutch-57 is closed and the drum 56 thus drivenfor reefing in the I cable 52 whereby the bucket is closed in the usualmanner and then drawn upwardly until link 10 passes the beveled undersurfaces of hooks 41 and has its head resting upon the hooks. Thecarriage 35 is provided with pendent sheets or plates between the beamsof boom 18, each plate. being notched as indicated at 35 for thereception of the head of link 40 and the edges of the plates are beveledto guide the head into the notch for insuring engagement of the headwith the hooks and for maintaining such engagement. Assoon as the buckethas reached this position the continued reefing in of cable 52 causesthe carriage 35 to be drawn-inwardly along the boom 18 until the bucketarrives at a point above hoppers 14 whereupon the band brake 58 is setand j-pended' above the hoppers. are journaled in appropriate bracketsfixed Pulleys 47, 5 1, 61 and 54 are' mounted to rotate about a verticalaxis,

clutch 6a is closed for actuating the the clutch 57 released. This holdsthe-parts in inoperative position with the bucket sus- When the'hopr isready to receive thecharge from the ucket, band brake 58 is released andthe bucket allowed to automatically dump its load into hoppers 14. Gates16 are opened ;-by actuation of an appropriate lever 17 connected withshaft 17 see Fig. 3, for allowing a charge to be delivered to the hopper12, all, or any appropriate portion of the load delivered to the hopperbeing permitted to pass through chutes 15 before the gates. 16 areclosed. A gate 13 is preferablyprovided for chute 13 and suitable meansnot -forming any part of this inven; tion ara'provided so that thecharge admittedjtmthehopper 12 can be delivered to the drum5 at-anappropriate moment consistent with conditions within the drum at the.will of the operator. When further loads are'to be" delivered by thebucket, the operation is repeated. In the course of use, differentmaterials will naturally be deposited'gatldiiferent points laterally ofthe machine and to enable the requisite lateral movement; of bucket 36for causing the bucket to approach the particular .point of supply, theshaft 2-2. is actuated for swinging boom 18 angularly to therequired.position.

- Having thus described the invention,what

is claimed is 1. In-a conveyor, the combination ,with..

a framework, of a boom pivotally mounted thereima carriage movable alongthe boom, a grab bucket releasably sustained by the carriage,

cables for shifting the carriage and for actuating the grab bucket, acable for controlling, the carriage sustaining means for the grabbucket, a shaft common -to all of said cables, means for operating thesame, and cable control means associated with the shaft.

2. In a conveyor, the combination with a framework, of a boom pivotallymounted therein, a carriage movable along the boom, a grab bucketreleasably sustained by the carriage, cables for shifting the carriageand for actuating the grab bucket, a cable for controlling the carriagesustaining means for the grab bucket, a shaft common to the cables andthe boom, means for operating the same, control means carried by theshaft for controlling said cables, and means actuated by the shaft forswinging the boom on its pivot.

3. In a conveyer, the combination with-a framework, and a boom pivotallymounted therein of a carriage shiftable along the boom, a grab bucketadapted to be detachably sustained by the carriage, a cable for shiftingthe carriage outwardly along the boom fixed to the carriage andextending to the outer portion of the boom and having a return portion,a pulley journaled at the outer portion of the booin and engaged by saidcable, cable guiding pulleys tor the turn portion of said cable fordirecting the .EUHB downwardly into the framework, a grab bucketactuating and carriage return cable connected to said carriage and engag7 ing the grab bucket for actuating the same and. extending inwardlyfrom the carriage, a guiding pulley on the carriage for the last namedcable, guiding pulleys sustained by the framework for the last namedcable -for directing the same downwardly in the framework, releasingmeans for the grub bucket sustaining means, a. cable for controlling andactuating said releasing means engaging the same substantially at thecarriage and extending outwardly to the outer portion of the boom andhaving a return portion, a pulley journaled at the outer por-- tion ofthe boom for guiding the cable of the releasing means, the said returnportion of the cable extending inwardly substan tially to the inner endof the boom and thence downwardly into the framework and againv upwardlyto the boom and outwardly to the releasing means, pulleys guiding theportions of said cable, and means for actuating and controlling all ofsaid cables.

at. In a conveyor, the combination with a framework and a boom pivotallymounted therein, of a carriage shiftalole ,alo11g the boorn, a grabbucket adapted to be releasably sustained by the carriage, cables forcontrolling the, crab bucket and'shifting the carriage, a cable forcontrolling and actuating the sustaining means for the grab bucket,pulleys for guiding said cables, some of said pulleys being arranged ina superposed series at the inner end portion of the boom, a bifurcatedbracket fixed to the framework laterally of t e boom and having saidsuperposed pulleys journaled in the bracket between the arms of thebifurcation, and means for controlling and actuating said cables.

5. In a conveyer, the combination with a framework and a boom pivotallymounted therein, of a, carriage shittable along the boom, a grab bucketadapted to be releasably sustained by the carriage, cables forcontrolling the-grab bucket and shilting' tnecarriage, a cable forcontrolling" and actuatmg the sustaining means for the l pulleys forguiding said cables, sonic l pulleys being arranged in a superseries atthe inner endportion of the boon a. bifurcated bracket fixed to theframework laterally of the boom and. having said superposed pulleysjournale'd in the bracket between the arms of the bifurcation, a guyfixed to the bracket substantially in the rear and approximately alinedWith the boom and extending to and engaging the framework, and means forcontrolling and actuating said cable.

6. In a conveyer, a boom, a carriage ar ranged to traverse the boom, abucket movably supported by the carriage, lock means to hold the bucketin a predetermined position in respect to the carriage, cable means tooperate the carriage and to move the bucket thereon into cooperationwith the lock means, cable means to control operation of the lock means,whereby to lock the car- \riage or release the same movement relative tothe carriage, and a main operating device connected With the carriageoperating cable means and coacting with other cable means aforesaid tocause bucket release operation.

T. In a conveyor, a boom, a carriage arranged to traverse the boom, abucket movably supported by the carriage, lockmeans to hold'the bucketin a predetermined position in respect to the carriage comprising arelease lever having a hook to engage and hold the bucket in a chargedposition, cable means to operate the carriage and to move a the bucketthereon into cooperation with the rrnrrr a. konrnnne /itnessesz -WM, L.13. Cowman, E. l Hornnnsrnm,

